1 files changed, 20 insertions, 0 deletions
diff --git a/js/src/tests/test262/intl402/DurationFormat/constructor-locales-invalid.js b/js/src/tests/test262/intl402/DurationFormat/constructor-locales-invalid.js
new file mode 100644
index 0000000000..687ae01c37
--- /dev/null
+++ b/js/src/tests/test262/intl402/DurationFormat/constructor-locales-invalid.js
@@ -0,0 +1,20 @@
+// |reftest| skip -- Intl.DurationFormat is not supported
+// Copyright 2022 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-Intl.DurationFormat
+description: Checks error cases for the locales argument to the DurationFormat constructor.
+info: |
+    Intl.DurationFormat  ( [ locales [ , options ] ] )
+    (...)
+    3. Let _requestedLocales_ be ? CanonicalizeLocaleList(_locales_).
+includes: [testIntl.js]
+features: [Intl.DurationFormat]
+---*/
+
+for (const [locales, expectedError] of getInvalidLocaleArguments()) {
+    assert.throws(expectedError, function() { new Intl.DurationFormat(locales) })
+}
+
+reportCompare(0, 0);